PAW-266 UHF PLL Dual Channel Receiver ?Built-in Antenna ?Digital display and light touch button with simple setups. ?Tone key squelch circuit to avoid interference ?Infrared data synchronization Frequency range is 655-679mhz - New Zealands Legal Range. PBT-172 Bodypack Transmitter ?Low battery indicator. ?Three optional input gain control adjustments. ?Infrared data synchronization.